HTTP requests that check for updates to the service worker script will no longer be fulfilled by the HTTP cache by default. This works around a common developer pain point, in which setting an inadvertent
Cache-Control header on your service worker script could lead to delayed updates. Also, updates to imported scripts can trigger the service worker update flow.
When a Progressive Web App is installed on Android, Chrome automatically requests and installs a WebAPK of your app. Starting in Chrome 76, Chrome will check for updates more frequently, ensuring icons, titles, colors, and other key properties to rolled out to your users faster.
In Chrome 76, we're making it easier for users to install Progressive Web Apps on the desktop by adding an install button to the address bar. If a site meets the Progressive Web App installability criteria, Chrome will automatically show an install icon in the address bar, making it easy for users to install your PWA.
If your PWA has use cases where it’s helpful for a user to install your app, for example if you have users who use your app more than once a week, you should be promoting the installation of your PWA within the web UI of your app. We have new recommendations on how you can promote the installation of your app.
We're giving you more control over the PWA Add to Home Screen mini-infobar. Starting in Chrome 76, you can prevent the mini-infobar from appearing by calling
preventDefault() on the
The RTCQuicTransport is a new web platform API that allows exchanging arbitrary data with remote peers using the QUIC protocol.
Some small changes are coming to
importScripts(), starting in Chrome 71.
Starting in Chrome 68 on Android, the Add to Home Screen behavior is changing to give you more control over when and how to prompt the user. If your site meets the add to home screen criteria, Chrome will no longer automatically show the add to home screen banner. Instead, you'll need to call
prompt() on the saved
beforeinstallprompt event to show the add to home screen dialog prompt to your users
Building a Progressive Web App doesn't mean building a single page app! Read about alternative architectures for content-focused PWAs, and help you make the right decision for your specific use case.
What's new in Lighthouse 1.5. New audits, extension updates, Performance Experiment, online Viewer features, and UI tweaks.
What's new in Lighthouse. Redesign, new best practice audits, and an online report viewer.
Learn how to get started building Progressive Web Apps